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Re: [patch] Compile fix for 64-bit HPUX
Daniel Jacobowitz <drow@false.org> writes:
>> + oldcflags="${CFLAGS-}"
>
> What's ${foo-}? I don't see it in my bash or dash docs.
In (bash)Shell Parameter Expansion, the paragraph before the table:
When not performing substring expansion, Bash tests for a parameter
that is unset or null; omitting the colon results in a test only for a
^^^^^^^^^^^^^^^^^^
parameter that is unset.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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"And now for something completely different."